Ftjel-ifeeding device



H. R. sAxoN AND G. GANZERT. r-uEL moms nsvlc'g -APrLlc/(TIQN FILED JUNE il. |"9|1.

Patented Dec. 23, 1919.

314mm roza /zerman H. Saxo/1 Gea/'ye Ganze/'f ol pendea claims.

i HERMAN R. 'sA'XoN AND GEORGE GANlzEnL/oFf/fronnno, oH-io. AssIGNoRs To' f.

SAXON MANUFACTURING COMPANYJOFTOLEDO, 01110.11 coRPoRATIoNo'F oHIo.

and Gnoncn(axarzm, citizens of the United y States, residing at 'l`o |cdo, in 'the county of 5 Lucas and State oi Ohio, have mvcntcd'ccrtain new andruscful llnprorcnlcnts in Fuel-- Feeding-Devices, of .which .we lcclarc the following to bea full, clear, and exact lefuel feeding devices for automobiles, ol' the ltypeembodi'ed in our copclhling application This-'iriventiovn relates to improvcnwnls in' The present;.iriventimr relates particularlv 15 to improvements inydevices ot' the. type; in

'buetelkn The princi' )al object of our inven-- f tion 1s to. prevale in suclravacuum tankan improved.arrangement -ofz the valves and 25 valveopeiati-ng mechanisnr A-fnrtherpbject .oLoli-r-:inventionisto provide an [im-4,i

can beconstiucted'very conveniently, and at low costand.which canbe produced' .and

Further bj'fi" -mild- Qbjects relatingrmto economies tof- :Jnanufacture and details of eonstrilction-{\'vill 'deiinltely l.s'llcl ion.

eine' system comprises a.LVaCuunntank' 107,1; '-1 V\\'.h lch connected with @a Vmain :low :level-70 v ',ip'ref'era'bly connected. to Vfthe manifold at if FUELiFEEDING DEVICE.4

L Spcification ef Ltter-Pte'tf i 'Iatented'Decg 23, 1919,' .xlieanoavmea runen, 1917,; serialmnnoz'- .partly lin side elevation,` showing the v;al\' e 4 mechanism vwith. thevalve in position .conm-ct the tank with the-atmosphere and lo lose thc connection. with the source of Fig- IV-is a sectional view, taken: 6,02 suhslantially on the' line IV-IV of Fig. Il,

` thc several. views, `and sectional \'ie\'\ 's.aref. .1

arrows: at. the endsl ofthe section line.; Consldering the 'numbered' partso the;

taken lookingin -tlxe= cli1'cction of-the ilittlefti.`

su]plyftn-nkfl, by means of afdel. conduit" .as tlie'intalc'e,manifold ofan internal come,

point adjacent the carbureter-.{. The'tankgl' is also connected,-'byifuel passage-$18,;-with` the carbureter,` so that fuel eedsby gravity C from-'the tank' to the carbureter'la" Y80 .Our. improved vacuum tank 'comprisesI a.- main `float chamber 19,.:Landiananxiliary'- fr which latter chamber 'is open# l at 'the' top and' provided withaf flange `23;

on which is disposed agasket 24, thel auxili iarychamber 20 beingr closed by the bot'toir`1'-v -of themain float c h'ainber. 19, which rests on 11" *the gasket 24,1'the' mainfioat chamber .and

. appear tronithe 8B' detailed 'description-'to follow.

XVe accom li'shthe objects of oilr inven tion b thejcevlces andmeans descrlbed in the fo lewin .s' eclfication. Our invention` is cleailysde ne v'and-poiritedout intheap- A structure, constituting apreferredf einlloodimentof our invention, 1s illustrated in of this specification, in which:

fuel'supply tank",` and \vith "th'e M 5ta@ `*Figatr isl a; vertical; secazsnarview rough y a i vaclinm tanlcconStlajctcd in" ac- 'au'xila'ry chamber being securegltogether as 'a unit. -Float chamber'lQ-has a? cover 25 90 carrying a gasket 26 interposed between-the top rim of thechambergl) andthecover; if] f7?? Stem 271is disposed axially of themain fioat chamber 19 a'nd has it lower ndu'pper e1ds""`A threaded yand extending'through the botto-m 95' `of themainifloatchamber 1 9, and thecover L 25 respectively;l {'The elbow28 is A screwed c'ordancevr with "our invention, showing 1 the?,

"t valve-in positimrto connect thc'-.tank with ew, partlyinsection and on to thetlireadednpper end of the stern'; 27 and-lis connected with the main fuel sup'- ply conduit 14. The upper' end ofvsai'd `'tem" 1i) 0 271'is'1provided' with-.the 'fuel -passage 29% 'througlrwhich'theffuel owsinto'the main "float chamber 19.- Stem 30 is'carried by on tothe upper'endthc'reof'and connected 105 to thesuction conduit 16,- Passagest fand* 35 are provided' irrsaid stein 30,' the passage 34 opening into the elbow 33 and connectingthe tank with the source'ofsuctioman opening 36 being provided in the elbow with 110 which `the pa$age`35 connects, .so that lthis passage connects the tank with -the atmosphere." A sleeve 4valve 37 is slida'bly mount- ,fthe source ofsuctiongaiid the atmosphere. l .'The float`38 is slidably mounted .on the j stem- 27, being` provided'with the upper and posite sides of the stem 27, and having theirends bent toward each other, are disposed in said slot 46 and pivotally connected to the stein 30 bythe pivot pin 48. The free ends of said lever arms are provided with slots l49 in which the laterally turned portions L15 ofthevhooks-t engage. The.arms 50 extend on opposite sides ofthe stem andare piv otallymounted on the pin48. The link 54; has its lower end disposed between the arms '2 n 'l l 1,325,701

ed on. said stein 30, and controls the passages or connections between` thegtank' and .endofsaidvent tube being connected to the'4 'hp eniiig'l?, Ain the side 'wall of the float.

chamberf19, at a pointabo've the fuel level therein, so that the auxiliary chamber 2 0 is' always maintained under atmosphericfpres-.

sure.-

,Y Frein the description of the'parts given above, the operation fof our'device should be'very readily understood." InIFig.- II-the valve 37 isshown in such position that the connection-between the' tank and thesourceff of suction is open while the connection with f the atmosphere is closed. 4Vith the valve -in .this position, when theengine is runningr the suction in the intake manifold will create' a partial vacuum in thetank and', since'the main fuel' supply tank 13 is lopen tothe atmosphere and the fuel therein 1s under atinospheric pressure,"- the fue] will flow through the conduit 14 into the 'float cham ber19.

Y lVlien the fuel in the float chamber 19-has risen to a.predeterminedlevel, so that the loatlias risen to the position shown in dot- Vted lines in Fig 1I, the ends of' the lever 50- and is connected thereto by the: pin 53,

passingthrough both arms, as clearly shown .in'Figs. III and IV. A notch 55 is provided in the upperend of the link 54, which notch said link is-also provided with a longer engages the Vflange 56 onlthe' sleeve valve, and

notch 57 ,which is adapted to engagea stop iiange 58`securedvto and carried'by the cover 25, 'Springs 59 are provided, 'connected at one end to the lug 60 -on the lever arm 47, adjacent the slot-49 and, at the other end, to thetail v63 of the arm 50.4 A transverse assage 64; is provided in the lqwer end of the Stem 27 `and communicates. with an axial passage 65 insaid'stem. A T-coupling 66 is threaded on the lower end of stem 27 `and i auxiliary cham bottoml of the auxiliary chamber 20handlfi's' engagesthe bottom of. the chamber 19, the bottom of said ehamberf beingl clamped a ainst said T-coupling by nieans'o'f a nut 6 A passage. 68 is provided in' said'T- coupling and'controlled by the flap valve 69,

preventing thev assage of the fuel .from the 'while permitting passage of fuel in the other f direction. A stem 70 passes through fthe,A

I Avent tube 75. 's di ing provided witha assa ve (3, communicating with' the elbow 4, vv iichv is screwed on to the lower end of the stem outside the` auxiliary'chamber, andto which is connected the conduit 1'8 leading tothe carbureter so that Afuel wili 18tothecarbureteni.

Sposed withinthe float chamber 19, the low'er'end of said v'enttulie being 'connected-With 'the opening 76. in the bottom ofthe oat chamber and` thev upper ow4 by gravity from the 'v t roughthe conduit;

'arms 47 `being carriedupwardly, each 'ofthe springs 59carried thereby will alsomove j upwardly, until the springs extend in aline' passing above-.the pivot pin 48, when the lsprings will act to di'aw the-levers 50 u -f wardl and to move the link 54 u ward y intot e position shown in Fi II carrying the sleeve valve, shown in igfII, to the other position in which the connection between the tank and the atmosphereisopen and the'connectionbetween the tank and the' source of suction is closed;A l.When the valve Q is in this position, atmospheric pressure will be restored in the fioat chamber'19,` and fuel.v

.i'vll flow by gravity therefrom, pastthe iap which the fuel at'alltinies feedsb force -ioiiV valve 69, to the auxiliary cl1amberf-20, from l ot gravity to the carbui'eter, since-.t e' aux- ,-iliary chamber 20 is always maintained under atmospheric pressure, due to the vent tube 75. The auxiliary chamber 20'and the main float -chamber 19 may be' separately formed audmay be'assembled by 'nesting p them together as shown in'Fig. II, the stem 27 and the stem 70 together serving `to securel iis the cover 25 on the float chamber 19, and'tol hold the fioat chamber 19 Yin position closing' v. the upper end of the auxiliary chamber-20,

so that' the two are secured togetheras 'aunit.

y 'bodiment'of the invention hereshownis susceptible -of considerable variation without,

departing from the spirit of our invention, butnre have found that this particular em.-

We are aware that the particular emv. A

izi bodiment of the invention is desirable fromglf:

many standpoints although we do not wislifa.

to .limitltlie inventionto vtheexact construe,4 tion shown.

Having thus-described cui` invention,

iso"

tersa Patent is'- Il. In adevice of the class described. the

ALU,-

als

we claim as new and desire to secure by Letcombination of a tank; a float guide disposed longitudinally vot' saidtaiil'; a supply. pipe leading to the tank; a stem carried b v said tank and having passages therein connecting saidl tank with the atmosphere and a source of suction respectively: a sleeve valve slidably mounted on said stem and controlling said passages; a lever pivotally mounted on said stem and provided with a slot near' its free end: an arm pivotallymounted 0n said stem; a spring connected at. its ends to said lever and arm respectively; a link carried by said arm and connected to said sleeve valve;

means for limiting the movement O'f-said link; a fioat slidably mounted on said guide;

and an arin carried by said fioat and having longitudinally of said tank; a supply.pipe,. .leading to the tank; a stein carried b v said tank and having passages-therein connecting said tank with the atmosphere and a source ot' suction respectively; a sleeve valve slidably mounted on said stein and controlling said passages;'a lever pivotally mounted y'on said stem and provided with a slot nem-,lits 'free end; an arm pivotally mounted on said stem; a spring connected at its .ends to said lever and ai'in respectively ga1 link carried .by said arm and connected to said sleeve valve; a float slidalily mounted on said guide; and an arm carried b v said l'loat and having alaterally projecting p ortion disposed in the slot. of .said lever.'

il. In a device of'tlie class descrihed,'the

'combination ot' a tank; a lloat-guide disposed longitudinally ot' said tank; a supply pipe leading to tlie tank.; a stein carried by said tank and having passages therein connecting said tank with the atniospliere'and arsource of suction rcspim-tively; a sleeve valve slidlongitudinally ol' said tank; a supply pipe.

ablv mounted on said stem and 'controlling said passages; a lever pivotally mounted on said stein; an arm pivotall y mounted onsaid stem; a spring connecting to the ends of said lever and arm respectively; a connection between said arm and said sleeve. valve: a tloatv slidable on said guide; and a 'connection be'-v having passages therein connecting saidtank l with. the atmosplei'f and a source ol suction respectively; a sleeve valve slidably mounted on-said stem and coi'itrolling said passages; valve. operating mechanism carried by said stem; a float slidablymounted on .said gii'ide; and connections betweeiisaid lloat-ai'id said valve operating mechanism.

6. In a device ot' the class ltlescrihed, the combination oi a tank; a supply' pipe, lead ing to said tank; 'a stem carried by thetank and having passages therein connecting said tank with t-lie atmosphere a'nd a source ot suction respectively; a sleeve valve slidably mounted von said stein and controlling said passages; valve operating mechanism'mounted on said stein; a vfloat mounted independently of said stein-,and connections between said. oat and valve operating mechanism.

pliere and a source of suction respectively;

a" sleeve valve slidably mounted .on Said 'stem and' controlling said passages; valve 100 operating'l mechanism carried by said stern and a float mounted independently of the stemo and operatively "connected with said mechanism".

8. In a device offthe combination of a tank; a stem provided with passages connecting said tank with the atmospliere'and a' source of suction respectively; 4a single valve controlling said passages;

stem and a'lput mounted independently of.

, 7. 'ln a device of the class' described, 'the 95 class described the 106 valve. operating-inechanism carried by Said 11( the stem and operatively connected with said mechanism.

9. Ina device ot' the class described, the

combination of a tank, a filoat uide disposed in said tank,- a supply pifpe ending to t;l n. tank, a stein projecting into said tank and having passages therein adapted to connect said tank with the. atmosphere and a source of suction respectively, a valve slidably mounted onsaid stein and' controlling said passages, operating means for said Avalve pivotai'ly mounted on said stein, a loat slidable. on saidguide, and a connection between said loat and said pivotally mounted ine'ans. 125

ing into said Vtank and having` passages therein connecting said tank with theatmos- -phere anda source of suction respectively, a-

tioned arms with the arms of said lever'on 10 the opposite sides of :the piwot point of said arins and lever, and a connection between sald arms and said valve.

tures.

HERMAN R. SAXON;

GEORGE GANZERT.

In'testimony whereof we aix our signa- 

